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path: root/drivers/scsi
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2016-02-23hisi_sas: add v2 path to send ATA commandJohn Garry
Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23hisi_sas: add v2 code for itct setup and freeJohn Garry
Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23hisi_sas: add v2 code to send smp commandJohn Garry
Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23hisi_sas: add v2 path to send ssp frameJohn Garry
Include code to prep ssp frame and deliver to hardware. Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23hisi_sas: add v2 cq interrupt handlerJohn Garry
Also include slot_complete_v2_hw handler Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23hisi_sas: add v2 SATA interrupt handlerJohn Garry
Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23hisi_sas: add v2 channel interrupt handlerJohn Garry
This also includes broadcast handler. Unlike v1 hw, broadcast does not have its own dedicated interrupt. Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23hisi_sas: add v2 phy down handlerJohn Garry
Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23hisi_sas: add v2 int init and phy up handlerJohn Garry
Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23hisi_sas: add v2 phy init codeJohn Garry
Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23hisi_sas: add init_id_frame_v2_hw()John Garry
Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23hisi_sas: add v2 hw initJohn Garry
Add code to initialise the hardware. Support is also added to deal with the "am-max-transmissions" (amt) limitation in hip06 controller #1. This is how many connection requests we can send on the system bus before waiting for a response. Due to chip bus design, controller #1 is limited to 32 amt, while, by design, a controller supports 64. The default value for the nibbles in the relevant registers is 0x40; these need to be programmed with 0x20. Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23hisi_sas: add v2 register definitionsJohn Garry
Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23hisi_sas: add bare v2 hw driverJohn Garry
Just add enough to build and init the module. Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23hisi_sas: rename some fields in hisi_sas_itctJohn Garry
Since hisi_sas_itct format is different between v1 and v2 hw, give more general names for some fields. Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23hisi_sas: add hisi_sas_err_record_v1John Garry
Since the error record structure is different for v2 hw, make hisi_sas_err_record opaque and add hisi_sas_err_record_v1. Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23hisi_sas: reduce max itct entriesJohn Garry
Since v2 hw only supports 2048 itct entries, as opposed to 4096 for v1 hw, set the max itct entries to the lower of the two. It is not anticipated that any device with v1 will ever require to connect > 2048 devices. Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23hisi_sas: set max commands as configurableJohn Garry
Since v2 hardware permits different numbers of commands to v1, set this as configurable in hisi_sas_hw. Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23hisi_sas: relocate DEV_IS_EXPANDERJohn Garry
Relocate DEV_IS_EXPANDER to hisi_sas.h as it will be required for v2 hw support. Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23bnx2fc: bnx2fc_eh_abort(): fix wrong return code.Maurizio Lombardi
If the link is not ready, the bnx2fc_eh_abort() function should return FAILED. Signed-off-by: Maurizio Lombardi <mlombard@redhat.com> Reviewed-by: Ewan Milne <emilne@redhat.com> Acked-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23bnx2fc: Show information about log levels in 'modinfo'Jose Castillo
This patch adds the information of the different values that can be used in the module parameter 'debug_logging', as it is shown below: $ modinfo bnx2fc [...] parm: debug_logging:Option to enable extended logging, Default is 0 - no logging. 0x01 - SCSI cmd error, cleanup. 0x02 - Session setup, cleanup, etc. 0x04 - lport events, link, mtu, etc. 0x08 - ELS logs. 0x10 - fcoe L2 fame related logs. 0xff - LOG all messages. (int) Signed-off-by: Jose Castillo <jcastillo@redhat.com> Acked-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23scsi: Use ida for host number managementLee Duncan
Update the SCSI hosts module to use ida to manage its host_no index instead of an atomic integer. This means that the SCSI host number will now be reclaimable. Use the ida "simple" mechanism, since there should be no need for a separate spin lock current usage. Ida was chosen over idr because the hosts module already has its own instance and locking mechanisms that aren't easily changed. Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23megaraid_sas: driver version upgradeSumit Saxena
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23megaraid_sas: SPERC OCR changesSumit Saxena
This patch fixes online controller resets on SRIOV-enabled series of Avago controllers. 1) Remove late detection heartbeat. 2) Change in the behavior if the FW found in READY/OPERATIONAL state. Signed-off-by: Uday Lingala <uday.lingala@avagotech.com> Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23megaraid_sas: Introduce module parameter for SCSI command timeoutSumit Saxena
This patch will introduce module-parameter for SCSI command timeout value and fix setting of resetwaittime beyond a value. Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com> Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23megaraid_sas: MFI adapter OCR changesSumit Saxena
Optimized MFI adapters' OCR path, particularly megasas_wait_for_outstanding() function. Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com> Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23megaraid_sas: Make adprecovery variable atomicSumit Saxena
Make instance->adprecovery variable atomic and removes hba_lock spinlock while accessing instance->adprecovery. Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com> Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23megaraid_sas: IO throttling supportSumit Saxena
This patch will add capability in driver to tell firmware that it can throttle IOs in case controller's queue depth is downgraded post OFU (online firmware upgrade). This feature will ensure firmware can be downgraded from higher queue depth to lower queue depth without needing system reboot. Added throttling code in IO path of driver, in case OS tries to send more IOs than post OFU firmware's queue depth. Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com> Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23megaraid_sas: Dual queue depth supportSumit Saxena
1. For iMR controllers, firmware will report two queue depths: - Controller-wide queue depth - LDIO queue depth (240) Controller-wide queue depth will be greater among the two. Using this new feature, iMR can provide larger Queue depth(QD) for JBOD and limited QD for Virtual Disk(VD). 2. megaraid_sas driver will throttle read/write LDIOs based on "LDIO Queue Depth". 3. Dual queue depth can be enabled/disabled via module parameter. It is enabled by default if the firmware supports it. Only specific firmware builds will enable the feature. 4. Added sysfs parameter "ldio_outstanding" which permits querying the number of outstanding LDIO requests at runtime. Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com> Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23megaraid_sas: Code optimization build_and_issue_cmd return-typeSumit Saxena
build_and_issue_cmd should return SCSI_MLQUEUE_HOST_BUSY for a few error cases instead of returning 1. Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23megaraid_sas: Reply Descriptor Post Queue (RDPQ) supportSumit Saxena
This patch will create a reply queue pool for each MSI-X index and will provide an array of base addresses instead of the single address of legacy mode. Using this new interface the driver can support higher queue depths through scattered DMA pools. If array mode is not supported driver will fall back to the legacy method of reply pool allocation. This limits controller queue depth to 1K max. To enable a queue depth of more than 1K driver requires firmware to support array mode and scratch_pad3 will provide the new queue depth value. When RDPQ is used, downgrading to an older firmware release should not be permitted. This may cause firmware fault and is not supported. Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com> Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23megaraid_sas: Fastpath region lock bypassSumit Saxena
Firmware will fill out per-LD data to tell driver whether a particular LD supports region lock bypass. If yes, then driver will send non-FP LDIO to region lock bypass FIFO. With this change in driver, firmware will optimize certain code to improve performance. Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com> Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23megaraid_sas: Update device queue depth based on interface typeSumit Saxena
This patch will update device Queue depth based on interface type(SAS, SATA..) for sysPDs. For Virtual disks(VDs), there will be no change in queue depth (will remain 256). To fetch interface type (SAS or SATA or FC..) of syspD, driver will send DCMD MR_DCMD_PD_GET_INFO. Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com> Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23megaraid_sas: Task management supportSumit Saxena
This patch adds task management for SCSI commands. Added functions are task abort and target reset. 1. Currently, megaraid_sas driver performs controller reset when any IO times out. With task management support added, task abort and target reset will be tried to recover timed out IO. If task management fails, then controller reset will be performaned. If the task management request times out, fail the request and escalate to the next level (controller reset). 2. mr_device_priv_data will be allocated for all generations of controller, but is_tm_capable flag will never be set for controllers (prior to Invader series) as firmware support is not available for task management. 3. Task management capable firmware will set is_tm_capable flag in firmware API. Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com> Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23megaraid_sas: Syncing request flags macro names with firmwareSumit Saxena
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23megaraid_sas: MFI IO timeout handlingSumit Saxena
This patch will do proper error handling for DCMD timeout failure cases for Fusion adapters: 1. For MFI adapters, in case of DCMD timeout (DCMD which must return SUCCESS) driver will call kill adapter. 2. What action needs to be taken in case of DCMD timeout is decided by function dcmd_timeout_ocr_possible(). DCMD timeout causing OCR is applicable to the following commands: MR_DCMD_PD_LIST_QUERY MR_DCMD_LD_GET_LIST MR_DCMD_LD_LIST_QUERY MR_DCMD_CTRL_SET_CRASH_DUMP_PARAMS MR_DCMD_SYSTEM_PD_MAP_GET_INFO MR_DCMD_LD_MAP_GET_INFO 3. If DCMD fails from driver init path there are certain DCMDs which must return SUCCESS. If those DCMDs fail, driver bails out. For optional DCMDs like pd_info etc., driver continues without executing certain functionality. Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com> Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23megaraid_sas: Do not allow PCI access during OCRSumit Saxena
This patch will do synhronization between OCR function and AEN function using "reset_mutex" lock. reset_mutex will be acquired only in the first half of the AEN function which issues a DCMD. Second half of the function which calls SCSI API (scsi_add_device/scsi_remove_device) should be out of reset_mutex to avoid deadlock between scsi_eh thread and driver. During chip reset (inside OCR function), there should not be any PCI access and AEN function (which is called in delayed context) may be firing DCMDs (doing PCI writes) when chip reset is happening in parallel which will cause FW fault. This patch will solve the problem by making AEN thread and OCR thread mutually exclusive. Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com> Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23scsi: Export function scsi_scan.c:sanitize_inquiry_stringDon Brace
The hpsa driver uses this function to cleanup inquiry data. Our new pqi driver will also use this function. This function was copied into both drivers. This patch exports sanitize_inquiry_string so the hpsa and the pqi drivers can use this function directly. Suggested-by: Hannes Reinecke <hare@suse.de> Suggested-by: Matthew R. Ochs mrochs@linux.vnet.ibm.com Reviewed-by: Kevin Barnett <kevin.barnett@pmcs.com> Reviewed-by: Justin Lindley <justin.lindley@pmcs.com> Reviewed-by: Scott Teel <scott.teel@pmcs.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23qla2xxx: Update driver version to 8.07.00.33-kHimanshu Madhani
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23qla2xxx: Set relogin flag when we fail to queue login requests.Chad Dupuis
If we fail to queue an srb for an async login we should set the relogin flag so it will be retried as the reason for the queuing failure was most likely transient. Failure to do this can lead to failed paths as login is never retried if the relogin flag is not set. Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23qla2xxx: Enable T10-DIF for ISP27XXHimanshu Madhani
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23qla2xxx: Provide mbx info in BBCR data after mbx failureHarish Zunjarrao
Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23qla2xxx: Avoid side effects when using endianizer macros.Joe Carnuccio
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23qla2xxx: Add support for Private link statistics counters.Harish Zunjarrao
Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23qla2xxx: Add support for buffer to buffer credit value for ISP27XX.Sawan Chandak
Signed-off-by: Sawan Chandak <sawan.chandak@qlogic.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23qla2xxx: Add support for online flash update for ISP27XX.Sawan Chandak
Signed-off-by: Sawan Chandak <sawan.chandak@qlogic.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23qla2xxx: Allow fw to hold status before sending ABTS response.Himanshu Madhani
Set bit 12 of additional firmware options 3 to let firmware hold status IOCB until ABTS response is received from Target. Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23qla2xxx: Seed init-cb login timeout from nvram exclusively.Joe Carnuccio
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23qla2xxx: Remove unneeded link offline message.Chad Dupuis
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-02-23be2iscsi: add checks for dma mapping errorsAlexey Khoroshilov
hwi_write_buffer() does not check if mapping dma memory succeed. The patch adds the check and failure handling. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Reviewed-by: Jitendra Bhivare <jitendra.bhivare@avagotech.com> Acked-by: Jitendra Bhivare <jitendra.bhivare@avagotech.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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